Works with native query now needst to be hql

buisnesslogic/src/test/java/com/plannaplan/services/GroupServiceTest.java

@@ -31,4 +31,9 @@ public class GroupServiceTest {
         groupService.delete(group);
         assertTrue(this.groupService.getGroupsAmmount() == startAmmount);
     }
+
+    @Test
+    public void shouldGetGroupsAssignmentsAmmounts() {
+
+    }
 }